[Bug tree-optimization/104676] [12 Regression] ICE in verify_loop_structure, at cfgloop.cc:1748 (error: loop 3's number of iterations '(unsigned int) + 4294967295' references the released SSA name '')

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104676

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:a4066d3a5097333f17c0d7be1630a98f3a5b1c1d

commit r12-7372-ga4066d3a5097333f17c0d7be1630a98f3a5b1c1d
Author: Richard Biener <rguent...@suse.de>
Date:   Thu Feb 24 14:34:52 2022 +0100

    tree-optimization/104676 - free nb_iterations after loop distribution

    Loop distribution can release SSA names used in nb_iterations, make
    sure to release those.

    2022-02-24  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/104676
            * tree-loop-distribution.cc (loop_distribution::execute):
            Do a full scev_reset.

            * gcc.dg/torture/pr104676.c: New testcase.